1. Masha was cooking / cooked at 6 pm yesterday afternoon when Tom called.
2. Sam was waiking / walked to school when he was meeting / met Sally.
3. They were going / went to a birthday party last Saturday night.
4. Mary was seeing / saw_a friendly dog while she was waiking / walked to work today.
5. Last year we were staying / stayed in a hotel in Mexico City.
1) was cooking
2) was walking, met
3) went
4) saw, was walking
5) stayed
Объяснение: